/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 03:21:36,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 03:21:36,883 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 03:21:36,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 03:21:36,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 03:21:36,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 03:21:36,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 03:21:36,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 03:21:36,915 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 03:21:36,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 03:21:36,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 03:21:36,920 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 03:21:36,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 03:21:36,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 03:21:36,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 03:21:36,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 03:21:36,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 03:21:36,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 03:21:36,921 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 03:21:36,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 03:21:36,922 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 03:21:36,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 03:21:36,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 03:21:36,923 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 03:21:36,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 03:21:36,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 03:21:36,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 03:21:36,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 03:21:36,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 03:21:36,925 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 03:21:36,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 03:21:36,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 03:21:36,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 03:21:36,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 03:21:37,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 03:21:37,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 03:21:37,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 03:21:37,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 03:21:37,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 03:21:37,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-30 03:21:38,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 03:21:38,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 03:21:38,249 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-30 03:21:38,259 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a159df93/c13f48be019449ed8b6e15a8567d4191/FLAG878564cae [2023-11-30 03:21:38,270 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a159df93/c13f48be019449ed8b6e15a8567d4191 [2023-11-30 03:21:38,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 03:21:38,273 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 03:21:38,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 03:21:38,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 03:21:38,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 03:21:38,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5ef7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38, skipping insertion in model container [2023-11-30 03:21:38,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 03:21:38,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 03:21:38,423 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 03:21:38,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 03:21:38,448 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 03:21:38,448 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 03:21:38,461 INFO L206 MainTranslator]: Completed translation [2023-11-30 03:21:38,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38 WrapperNode [2023-11-30 03:21:38,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 03:21:38,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 03:21:38,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 03:21:38,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 03:21:38,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,487 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 80 [2023-11-30 03:21:38,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 03:21:38,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 03:21:38,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 03:21:38,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 03:21:38,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 03:21:38,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 03:21:38,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 03:21:38,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 03:21:38,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (1/1) ... [2023-11-30 03:21:38,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 03:21:38,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 03:21:38,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 03:21:38,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 03:21:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 03:21:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 03:21:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 03:21:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 03:21:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 03:21:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 03:21:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 03:21:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 03:21:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 03:21:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 03:21:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 03:21:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 03:21:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 03:21:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 03:21:38,567 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 03:21:38,669 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 03:21:38,671 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 03:21:38,860 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 03:21:38,929 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 03:21:38,930 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-30 03:21:38,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:21:38 BoogieIcfgContainer [2023-11-30 03:21:38,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 03:21:38,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 03:21:38,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 03:21:38,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 03:21:38,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:21:38" (1/3) ... [2023-11-30 03:21:38,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631b0701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:21:38, skipping insertion in model container [2023-11-30 03:21:38,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:21:38" (2/3) ... [2023-11-30 03:21:38,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631b0701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:21:38, skipping insertion in model container [2023-11-30 03:21:38,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:21:38" (3/3) ... [2023-11-30 03:21:38,937 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-30 03:21:38,951 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 03:21:38,952 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-11-30 03:21:38,952 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 03:21:38,989 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 03:21:39,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 129 places, 128 transitions, 270 flow [2023-11-30 03:21:39,047 INFO L124 PetriNetUnfolderBase]: 6/126 cut-off events. [2023-11-30 03:21:39,048 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 03:21:39,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 126 events. 6/126 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 107 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2023-11-30 03:21:39,052 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 128 transitions, 270 flow [2023-11-30 03:21:39,055 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 105 transitions, 222 flow [2023-11-30 03:21:39,062 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 03:21:39,066 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@94934b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 03:21:39,066 INFO L363 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2023-11-30 03:21:39,070 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 03:21:39,070 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2023-11-30 03:21:39,071 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 03:21:39,071 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:21:39,071 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:21:39,072 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 03:21:39,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:21:39,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1568787297, now seen corresponding path program 1 times [2023-11-30 03:21:39,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:21:39,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814360930] [2023-11-30 03:21:39,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:21:39,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:21:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:21:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 03:21:39,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:21:39,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814360930] [2023-11-30 03:21:39,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814360930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:21:39,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:21:39,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:21:39,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714281908] [2023-11-30 03:21:39,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:21:39,223 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:21:39,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:21:39,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:21:39,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:21:39,244 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 128 [2023-11-30 03:21:39,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 105 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:21:39,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 128 [2023-11-30 03:21:39,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:21:39,281 INFO L124 PetriNetUnfolderBase]: 6/125 cut-off events. [2023-11-30 03:21:39,281 INFO L125 PetriNetUnfolderBase]: For 13/14 co-relation queries the response was YES. [2023-11-30 03:21:39,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 125 events. 6/125 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 168 event pairs, 1 based on Foata normal form. 7/118 useless extension candidates. Maximal degree in co-relation 70. Up to 16 conditions per place. [2023-11-30 03:21:39,283 INFO L140 encePairwiseOnDemand]: 115/128 looper letters, 9 selfloop transitions, 2 changer transitions 1/94 dead transitions. [2023-11-30 03:21:39,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 94 transitions, 222 flow [2023-11-30 03:21:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:21:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:21:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2023-11-30 03:21:39,294 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8619791666666666 [2023-11-30 03:21:39,295 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 331 transitions. [2023-11-30 03:21:39,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 331 transitions. [2023-11-30 03:21:39,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:21:39,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 331 transitions. [2023-11-30 03:21:39,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,306 INFO L307 CegarLoopForPetriNet]: 107 programPoint places, -6 predicate places. [2023-11-30 03:21:39,306 INFO L500 AbstractCegarLoop]: Abstraction has has 101 places, 94 transitions, 222 flow [2023-11-30 03:21:39,307 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,307 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:21:39,307 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:21:39,307 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 03:21:39,307 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 03:21:39,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:21:39,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1629493764, now seen corresponding path program 1 times [2023-11-30 03:21:39,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:21:39,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83272782] [2023-11-30 03:21:39,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:21:39,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:21:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:21:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 03:21:39,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:21:39,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83272782] [2023-11-30 03:21:39,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83272782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:21:39,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:21:39,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:21:39,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036808159] [2023-11-30 03:21:39,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:21:39,350 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:21:39,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:21:39,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:21:39,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:21:39,351 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 128 [2023-11-30 03:21:39,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 94 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:21:39,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 128 [2023-11-30 03:21:39,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:21:39,396 INFO L124 PetriNetUnfolderBase]: 35/194 cut-off events. [2023-11-30 03:21:39,396 INFO L125 PetriNetUnfolderBase]: For 121/165 co-relation queries the response was YES. [2023-11-30 03:21:39,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 194 events. 35/194 cut-off events. For 121/165 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 605 event pairs, 23 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 206. Up to 76 conditions per place. [2023-11-30 03:21:39,398 INFO L140 encePairwiseOnDemand]: 125/128 looper letters, 18 selfloop transitions, 2 changer transitions 1/93 dead transitions. [2023-11-30 03:21:39,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 93 transitions, 260 flow [2023-11-30 03:21:39,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:21:39,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:21:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2023-11-30 03:21:39,400 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7890625 [2023-11-30 03:21:39,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2023-11-30 03:21:39,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2023-11-30 03:21:39,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:21:39,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2023-11-30 03:21:39,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,402 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,403 INFO L307 CegarLoopForPetriNet]: 107 programPoint places, -5 predicate places. [2023-11-30 03:21:39,403 INFO L500 AbstractCegarLoop]: Abstraction has has 102 places, 93 transitions, 260 flow [2023-11-30 03:21:39,403 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,404 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:21:39,404 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:21:39,404 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 03:21:39,404 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 03:21:39,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:21:39,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1079982145, now seen corresponding path program 1 times [2023-11-30 03:21:39,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:21:39,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684245999] [2023-11-30 03:21:39,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:21:39,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:21:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:21:39,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 03:21:39,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:21:39,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684245999] [2023-11-30 03:21:39,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684245999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:21:39,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:21:39,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:21:39,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710329576] [2023-11-30 03:21:39,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:21:39,449 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:21:39,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:21:39,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:21:39,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:21:39,451 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 128 [2023-11-30 03:21:39,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 93 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:21:39,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 128 [2023-11-30 03:21:39,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:21:39,493 INFO L124 PetriNetUnfolderBase]: 24/167 cut-off events. [2023-11-30 03:21:39,494 INFO L125 PetriNetUnfolderBase]: For 172/309 co-relation queries the response was YES. [2023-11-30 03:21:39,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 167 events. 24/167 cut-off events. For 172/309 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 440 event pairs, 14 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 196. Up to 53 conditions per place. [2023-11-30 03:21:39,497 INFO L140 encePairwiseOnDemand]: 124/128 looper letters, 13 selfloop transitions, 1 changer transitions 1/90 dead transitions. [2023-11-30 03:21:39,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 90 transitions, 276 flow [2023-11-30 03:21:39,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:21:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:21:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2023-11-30 03:21:39,499 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8098958333333334 [2023-11-30 03:21:39,499 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 311 transitions. [2023-11-30 03:21:39,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 311 transitions. [2023-11-30 03:21:39,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:21:39,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 311 transitions. [2023-11-30 03:21:39,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,502 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,503 INFO L307 CegarLoopForPetriNet]: 107 programPoint places, -6 predicate places. [2023-11-30 03:21:39,503 INFO L500 AbstractCegarLoop]: Abstraction has has 101 places, 90 transitions, 276 flow [2023-11-30 03:21:39,504 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,504 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:21:39,504 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:21:39,505 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 03:21:39,505 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 03:21:39,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:21:39,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1904674044, now seen corresponding path program 1 times [2023-11-30 03:21:39,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:21:39,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658655439] [2023-11-30 03:21:39,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:21:39,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:21:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:21:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 03:21:39,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:21:39,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658655439] [2023-11-30 03:21:39,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658655439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:21:39,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:21:39,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 03:21:39,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621835902] [2023-11-30 03:21:39,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:21:39,850 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 03:21:39,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:21:39,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 03:21:39,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 03:21:39,851 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 128 [2023-11-30 03:21:39,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 90 transitions, 276 flow. Second operand has 6 states, 6 states have (on average 92.83333333333333) internal successors, (557), 6 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:21:39,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 128 [2023-11-30 03:21:39,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:21:39,932 INFO L124 PetriNetUnfolderBase]: 126/362 cut-off events. [2023-11-30 03:21:39,932 INFO L125 PetriNetUnfolderBase]: For 1037/1724 co-relation queries the response was YES. [2023-11-30 03:21:39,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1019 conditions, 362 events. 126/362 cut-off events. For 1037/1724 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1612 event pairs, 34 based on Foata normal form. 4/324 useless extension candidates. Maximal degree in co-relation 886. Up to 169 conditions per place. [2023-11-30 03:21:39,935 INFO L140 encePairwiseOnDemand]: 123/128 looper letters, 25 selfloop transitions, 4 changer transitions 1/97 dead transitions. [2023-11-30 03:21:39,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 97 transitions, 396 flow [2023-11-30 03:21:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 03:21:39,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 03:21:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 576 transitions. [2023-11-30 03:21:39,937 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.75 [2023-11-30 03:21:39,937 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 576 transitions. [2023-11-30 03:21:39,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 576 transitions. [2023-11-30 03:21:39,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:21:39,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 576 transitions. [2023-11-30 03:21:39,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,940 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,941 INFO L307 CegarLoopForPetriNet]: 107 programPoint places, -2 predicate places. [2023-11-30 03:21:39,942 INFO L500 AbstractCegarLoop]: Abstraction has has 105 places, 97 transitions, 396 flow [2023-11-30 03:21:39,942 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 92.83333333333333) internal successors, (557), 6 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:39,942 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:21:39,942 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:21:39,942 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 03:21:39,942 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 03:21:39,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:21:39,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1354746080, now seen corresponding path program 1 times [2023-11-30 03:21:39,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:21:39,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515539181] [2023-11-30 03:21:39,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:21:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:21:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:21:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 03:21:40,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:21:40,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515539181] [2023-11-30 03:21:40,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515539181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:21:40,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:21:40,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 03:21:40,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69470145] [2023-11-30 03:21:40,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:21:40,268 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 03:21:40,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:21:40,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 03:21:40,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 03:21:40,270 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 128 [2023-11-30 03:21:40,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 97 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 93.83333333333333) internal successors, (563), 6 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:40,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:21:40,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 128 [2023-11-30 03:21:40,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:21:40,378 INFO L124 PetriNetUnfolderBase]: 119/335 cut-off events. [2023-11-30 03:21:40,381 INFO L125 PetriNetUnfolderBase]: For 1327/2222 co-relation queries the response was YES. [2023-11-30 03:21:40,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 335 events. 119/335 cut-off events. For 1327/2222 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1460 event pairs, 29 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 989. Up to 156 conditions per place. [2023-11-30 03:21:40,384 INFO L140 encePairwiseOnDemand]: 123/128 looper letters, 28 selfloop transitions, 4 changer transitions 1/100 dead transitions. [2023-11-30 03:21:40,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 100 transitions, 496 flow [2023-11-30 03:21:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 03:21:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 03:21:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 571 transitions. [2023-11-30 03:21:40,386 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7434895833333334 [2023-11-30 03:21:40,386 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 571 transitions. [2023-11-30 03:21:40,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 571 transitions. [2023-11-30 03:21:40,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:21:40,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 571 transitions. [2023-11-30 03:21:40,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 95.16666666666667) internal successors, (571), 6 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:40,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:40,389 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:40,391 INFO L307 CegarLoopForPetriNet]: 107 programPoint places, 2 predicate places. [2023-11-30 03:21:40,391 INFO L500 AbstractCegarLoop]: Abstraction has has 109 places, 100 transitions, 496 flow [2023-11-30 03:21:40,391 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.83333333333333) internal successors, (563), 6 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:40,392 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 03:21:40,392 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 03:21:40,392 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 03:21:40,392 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2023-11-30 03:21:40,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 03:21:40,393 INFO L85 PathProgramCache]: Analyzing trace with hash -539540352, now seen corresponding path program 1 times [2023-11-30 03:21:40,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 03:21:40,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606725079] [2023-11-30 03:21:40,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 03:21:40,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 03:21:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 03:21:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 03:21:40,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 03:21:40,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606725079] [2023-11-30 03:21:40,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606725079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 03:21:40,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 03:21:40,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 03:21:40,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66116992] [2023-11-30 03:21:40,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 03:21:40,464 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 03:21:40,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 03:21:40,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 03:21:40,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 03:21:40,465 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 128 [2023-11-30 03:21:40,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 100 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:40,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 03:21:40,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 128 [2023-11-30 03:21:40,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 03:21:40,510 INFO L124 PetriNetUnfolderBase]: 119/334 cut-off events. [2023-11-30 03:21:40,510 INFO L125 PetriNetUnfolderBase]: For 3171/4073 co-relation queries the response was YES. [2023-11-30 03:21:40,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 334 events. 119/334 cut-off events. For 3171/4073 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1459 event pairs, 29 based on Foata normal form. 1/303 useless extension candidates. Maximal degree in co-relation 1094. Up to 156 conditions per place. [2023-11-30 03:21:40,511 INFO L140 encePairwiseOnDemand]: 126/128 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2023-11-30 03:21:40,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 99 transitions, 532 flow [2023-11-30 03:21:40,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 03:21:40,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 03:21:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2023-11-30 03:21:40,513 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8567708333333334 [2023-11-30 03:21:40,513 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 329 transitions. [2023-11-30 03:21:40,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 329 transitions. [2023-11-30 03:21:40,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 03:21:40,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 329 transitions. [2023-11-30 03:21:40,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:40,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:40,515 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:40,517 INFO L307 CegarLoopForPetriNet]: 107 programPoint places, 3 predicate places. [2023-11-30 03:21:40,517 INFO L500 AbstractCegarLoop]: Abstraction has has 110 places, 99 transitions, 532 flow [2023-11-30 03:21:40,517 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 03:21:40,522 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/popl20-more-nonblocking-counter-alt2.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 03:21:40,549 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2023-11-30 03:21:40,549 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2023-11-30 03:21:40,550 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2023-11-30 03:21:40,550 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2023-11-30 03:21:40,550 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2023-11-30 03:21:40,550 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2023-11-30 03:21:40,550 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2023-11-30 03:21:40,550 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2023-11-30 03:21:40,550 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2023-11-30 03:21:40,550 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2023-11-30 03:21:40,550 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2023-11-30 03:21:40,550 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 26 remaining) [2023-11-30 03:21:40,551 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2023-11-30 03:21:40,551 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2023-11-30 03:21:40,551 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2023-11-30 03:21:40,551 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 26 remaining) [2023-11-30 03:21:40,551 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 26 remaining) [2023-11-30 03:21:40,551 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2023-11-30 03:21:40,552 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2023-11-30 03:21:40,552 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2023-11-30 03:21:40,552 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2023-11-30 03:21:40,552 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2023-11-30 03:21:40,552 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2023-11-30 03:21:40,552 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2023-11-30 03:21:40,552 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2023-11-30 03:21:40,552 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2023-11-30 03:21:40,552 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 03:21:40,553 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-30 03:21:40,556 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 03:21:40,557 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 03:21:40,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:21:40 BasicIcfg [2023-11-30 03:21:40,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 03:21:40,568 INFO L158 Benchmark]: Toolchain (without parser) took 2295.45ms. Allocated memory is still 574.6MB. Free memory was 534.2MB in the beginning and 496.2MB in the end (delta: 38.0MB). Peak memory consumption was 40.0MB. Max. memory is 16.0GB. [2023-11-30 03:21:40,569 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 400.6MB. Free memory was 348.1MB in the beginning and 348.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 03:21:40,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.77ms. Allocated memory is still 574.6MB. Free memory was 533.7MB in the beginning and 522.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-11-30 03:21:40,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.43ms. Allocated memory is still 574.6MB. Free memory was 522.5MB in the beginning and 520.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 03:21:40,569 INFO L158 Benchmark]: Boogie Preprocessor took 19.17ms. Allocated memory is still 574.6MB. Free memory was 520.8MB in the beginning and 519.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 03:21:40,570 INFO L158 Benchmark]: RCFGBuilder took 423.30ms. Allocated memory is still 574.6MB. Free memory was 519.1MB in the beginning and 497.7MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-30 03:21:40,570 INFO L158 Benchmark]: TraceAbstraction took 1635.35ms. Allocated memory is still 574.6MB. Free memory was 497.0MB in the beginning and 496.2MB in the end (delta: 763.4kB). Peak memory consumption was 2.3MB. Max. memory is 16.0GB. [2023-11-30 03:21:40,572 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 400.6MB. Free memory was 348.1MB in the beginning and 348.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 187.77ms. Allocated memory is still 574.6MB. Free memory was 533.7MB in the beginning and 522.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 25.43ms. Allocated memory is still 574.6MB. Free memory was 522.5MB in the beginning and 520.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.17ms. Allocated memory is still 574.6MB. Free memory was 520.8MB in the beginning and 519.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 423.30ms. Allocated memory is still 574.6MB. Free memory was 519.1MB in the beginning and 497.7MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 1635.35ms. Allocated memory is still 574.6MB. Free memory was 497.0MB in the beginning and 496.2MB in the end (delta: 763.4kB). Peak memory consumption was 2.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 156 locations, 26 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 38 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=532occurred in iteration=6, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 03:21:40,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...